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Diffstat (limited to 'deps/jemalloc/include/jemalloc/internal/chunk.h')
-rw-r--r-- | deps/jemalloc/include/jemalloc/internal/chunk.h | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/deps/jemalloc/include/jemalloc/internal/chunk.h b/deps/jemalloc/include/jemalloc/internal/chunk.h new file mode 100644 index 000000000..a60f0ad74 --- /dev/null +++ b/deps/jemalloc/include/jemalloc/internal/chunk.h @@ -0,0 +1,65 @@ +/******************************************************************************/ +#ifdef JEMALLOC_H_TYPES + +/* + * Size and alignment of memory chunks that are allocated by the OS's virtual + * memory system. + */ +#define LG_CHUNK_DEFAULT 22 + +/* Return the chunk address for allocation address a. */ +#define CHUNK_ADDR2BASE(a) \ + ((void *)((uintptr_t)(a) & ~chunksize_mask)) + +/* Return the chunk offset of address a. */ +#define CHUNK_ADDR2OFFSET(a) \ + ((size_t)((uintptr_t)(a) & chunksize_mask)) + +/* Return the smallest chunk multiple that is >= s. */ +#define CHUNK_CEILING(s) \ + (((s) + chunksize_mask) & ~chunksize_mask) + +#endif /* JEMALLOC_H_TYPES */ +/******************************************************************************/ +#ifdef JEMALLOC_H_STRUCTS + +#endif /* JEMALLOC_H_STRUCTS */ +/******************************************************************************/ +#ifdef JEMALLOC_H_EXTERNS + +extern size_t opt_lg_chunk; +#ifdef JEMALLOC_SWAP +extern bool opt_overcommit; +#endif + +#if (defined(JEMALLOC_STATS) || defined(JEMALLOC_PROF)) +/* Protects stats_chunks; currently not used for any other purpose. */ +extern malloc_mutex_t chunks_mtx; +/* Chunk statistics. */ +extern chunk_stats_t stats_chunks; +#endif + +#ifdef JEMALLOC_IVSALLOC +extern rtree_t *chunks_rtree; +#endif + +extern size_t chunksize; +extern size_t chunksize_mask; /* (chunksize - 1). */ +extern size_t chunk_npages; +extern size_t map_bias; /* Number of arena chunk header pages. */ +extern size_t arena_maxclass; /* Max size class for arenas. */ + +void *chunk_alloc(size_t size, bool base, bool *zero); +void chunk_dealloc(void *chunk, size_t size); +bool chunk_boot(void); + +#endif /* JEMALLOC_H_EXTERNS */ +/******************************************************************************/ +#ifdef JEMALLOC_H_INLINES + +#endif /* JEMALLOC_H_INLINES */ +/******************************************************************************/ + +#include "jemalloc/internal/chunk_swap.h" +#include "jemalloc/internal/chunk_dss.h" +#include "jemalloc/internal/chunk_mmap.h" |